This edition of Trigonometry includes such topics as radians, the special angles, right triangles, the Pythagorean Theorem, sine, cosine, tangent, law of cosines and law of sines.
2011
2017
2004
2008
2007
1940
1969
2015
2006
2000
2002
1996
1937
1952
1998
1995
2001